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Abundance for varieties with many differ...
Lazić, Vladimir...

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Abundance for varieties with many differential forms by Lazić, Vladimir ( Author )
Lemonjar Open Access
N.A
07-01-2016
We prove that the abundance conjecture holds on a variety X with mild singularities if X has many reflexive differential forms with coefficients in pluricanonical bundles, assuming the Minimal Model Program in lower dimensions. This implies, for instance, that under this condition, hermitian semipositive canonical divisors are almost always semiample, and that klt pairs whose underlying variety is uniruled have good models in many circumstances. When the numerical dimension of KX is 1, our results hold unconditionally in every dimension. We also treat a related problem on the semiampleness of nef line bundles on Calabi-Yau varieties.
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English
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MYR 0.01
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https://arxiv.org/abs/1601.01602
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